package com.cofi.config;


import com.baomidou.mybatisplus.annotation.DbType;

import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
import com.baomidou.mybatisplus.extension.plugins.OptimisticLockerInterceptor;
import com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor;

import com.baomidou.mybatisplus.extension.plugins.inner.OptimisticLockerInnerInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
import com.baomidou.mybatisplus.extension.plugins.pagination.optimize.JsqlParserCountOptimize;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.aop.interceptor.PerformanceMonitorInterceptor;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.transaction.annotation.EnableTransactionManagement;

@EnableTransactionManagement
//@MapperScan("com.cofi.mapper") 可将主启动类上此注解放置此处
@Configuration
public class MyBatisPlusConfig {

    // 注册乐观锁插件(旧版：3.0.5)
    /*@Bean
    public OptimisticLockerInterceptor optimisticLockerInterceptor(){
        return new OptimisticLockerInterceptor();
    }

    //注册分页插件(旧版：3.0.5)
    @Bean
    public PaginationInterceptor paginationInterceptor(){
        return new PaginationInterceptor();
    }*/


    // 注册乐观锁和分页插件(新版：3.4.0)
    @Bean
    public MybatisPlusInterceptor optimisticLockerInnerInterceptor(){
        MybatisPlusInterceptor mybatisPlusInterceptor = new MybatisPlusInterceptor();

        //乐观锁插件
        mybatisPlusInterceptor.addInnerInterceptor(new OptimisticLockerInnerInterceptor());

        //分页插件
        //mybatisPlusInterceptor.addInnerInterceptor(new PaginationInnerInterceptor(DbType.SQL_SERVER));  //指定DbType.SQL_SERVER导致分页查询出错
        mybatisPlusInterceptor.addInnerInterceptor(new PaginationInnerInterceptor());
        return mybatisPlusInterceptor;
    }

    /*@Bean
    public PaginationInterceptor paginationInterceptor() {
        PaginationInterceptor paginationInterceptor = new PaginationInterceptor();
        // 设置请求的页面大于最大页后操作， true调回到首页，false 继续请求  默认false
        // paginationInterceptor.setOverflow(false);
        // 设置最大单页限制数量，默认 500 条，-1 不受限制
        // paginationInterceptor.setLimit(500);
        // 开启 count 的 join 优化,只针对部分 left join
        paginationInterceptor.setCountSqlParser(new JsqlParserCountOptimize(true));
        return paginationInterceptor;
    }*/
}
